photodetector

(redirected from Optical detectors)
Also found in: Dictionary, Encyclopedia.

pho·to·de·tec·tor

(fō'tō-dĕ-tĕk'tŏr)
A device in a spectrophotometer that responds to photons in a manner usually proportional to the number of photons striking its light-sensitive surface.
References in periodicals archive ?
The optical detectors were coupled onto a slit-die fitted at the exit of a modular intermeshing corotating twin-screw extruder Werner-Pfleiderer ZSK30 with screw-diameter D = 30.
The responsivity of a single optical detector determined from independent comparisons is a means of assuring that our stated uncertainties for a given measurement service are reasonable.
While the redefinition pertained only to photometry, the impetus to develop better optical detectors has benefited the scientific disciplines of spectral radiometry and pyrometry as well.
The detector response filter, a new class of optical filter designed to compensate for the spectral response of optical detectors, has been developed for use by optical engineers in a variety of aerospace/defense applications such as remote sensing and homeland security instrumentation as well as for use in biomedical instrumentation.
For example, it makes sense to use optical detectors or thermometers, devices that, when miniaturized, can still respond extremely quickly to a signal.
Award: ITC-pac fund support for "direct bandgap group iv based optical detectors
today announced the selection of Aegis Semiconductor as a primary supplier of Tunable Optical Detectors for its line of Self-Managed Optical Amplifiers.
Supply, installation and commissioning of optical detectors in lieu of ion scanners and maintenance of fire systems CHU security.
Such intensities are required to generate enough signal at the other end of the fibre when using ordinary optical detectors.
Thermo Vision is composed of companies with technologies in solid-state optical detectors, optical filters and materials, and electro optics.
The project combines gallium arsenide HBTs developed by consortium leader Rockwell, and proprietary lasers and optical detectors developed by Alhambra, California-based Ortel, one of the most advanced commercial suppliers of high-speed lasers and detectors.
The surprising discovery that brittlestars use calcitic crystals to act as optical detectors, in addition to providing skeletal support, was made by an international multidisciplinary team of researchers, comprising scientists from Bell Labs, the Weizmann Institute of Science in Israel and the Natural History Museum of Los Angeles County, and will be described in an article to be published in the August 23rd issue of Nature.